diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 85195187e..4141b08d5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,8 +22,7 @@ jobs:
           '3.2',
           '3.1',
           '3.0',
-          '2.7',
-          'truffleruby-head'
+          '2.7'
         ]
     env:
       ORACLE_HOME: /usr/lib/oracle/21/client64
diff --git a/.github/workflows/test_11g.yml b/.github/workflows/test_11g.yml
index 0db89a9c4..13816abd9 100644
--- a/.github/workflows/test_11g.yml
+++ b/.github/workflows/test_11g.yml
@@ -22,8 +22,7 @@ jobs:
           '3.2',
           '3.1',
           '3.0',
-          '2.7',
-          'truffleruby-head'
+          '2.7'
         ]
     env:
       ORACLE_HOME: /usr/lib/oracle/21/client64